Dextrorphan; ent-17-Methylmorphinan-3-ol; (+)-3-Hydroxy-17-methylmorphinan; 1,3,4,9,10,10a-Hexahydro-6-hydroxy-2H-10,4a-(iminoethano)-11-methylphenanthrene; (+)-3-Hydroxy-N-methylmorphinan; Morphinan-3-ol, 17-methyl-, (9α,13α,14α)-; (4bS,8aR,9S)-11-methyl-6,7,8,8a,9,10-hexahydro-5H-9,4b-(epiminoethano)phenanthren-3-ol; Dextrorphan; 17-Methyl-9α,13α,14α-morphinan-3-ol